# A141564 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 1 5 4 6 2 7 6 8 1 9 2 10 4 11 10 12 2 13 12 14 6 15 8 16 1 17 16 18 2 19 18 20 4 21 12 22 10 23 22 24 2 25 4 26 12 27 4 28 6 29 28 30 8 31 30 32 1 33 20 34 16 35 24 36 2 37 36 38 18 39 24 40 4 41 40 42 12 43 42 44 10 45 8 46 22 47 46 48 2 49 6 50 4 51 32 52 12 53 52 54 4 55 40 56 6 57 36 58 28 59 58 60 8 61 60 62 30 63 12 64 1 65 48 66 20 67 66 68 16 69 44 70 24 71 70 72 2 73 72 74 36 75 8 76 18 77 60 78 24 79 78 80 4 81 8